消除挤土影响的一项有效技术-消压孔

An effective technique of eliminate soil compaction effect

本文为解决预制桩沉桩特别是采用大吨位压桩机施工时对饱和粘性土、淤泥等所引起的严重挤土影响。现场采用一种称为"消压孔"的技术,从而有效地阻断了消压孔边界以外土体的挤压,同时也降低了界内土体因沉桩施工而引起的一些不良后果。通过若干工程实践,说明行之有效。

Thie article describes when precast pile jacked,especially by the large tounge piling machine,it cause soil compaction effect in clay and silt solum.On the spot there is a technology-hole of Eliminate Soil Compaction Effect,it block the soil compaction on the side of the hole of Eliminate Soil Compaction Effect efficiently and it reduce the bad effect for jacking pile.Experience has shown that this is true.